42831760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 103511232

約数和(自身を除く): 60679472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 67, 80, 122, 131, 134, 244, 262, 268, 305, 335, 488, 524, 536, 610, 655, 670, 976, 1048, 1072, 1220, 1310, 1340, 2096, 2440, 2620, 2680, 4087, 4880, 5240, 5360, 7991, 8174, 8777, 10480, 15982, 16348, 17554, 20435, 31964, 32696, 35108, 39955, 40870, 43885, 63928, 65392, 70216, 79910, 81740, 87770, 127856, 140432, 159820, 163480, 175540, 319640, 326960, 351080, 535397, 639280, 702160, 1070794, 2141588, 2676985, 4283176, 5353970, 8566352, 10707940, 21415880, 42831760]

約数ペア:

[(1, 42831760), (2, 21415880), (4, 10707940), (5, 8566352), (8, 5353970), (10, 4283176), (16, 2676985), (20, 2141588), (40, 1070794), (61, 702160), (67, 639280), (80, 535397), (122, 351080), (131, 326960), (134, 319640), (244, 175540), (262, 163480), (268, 159820), (305, 140432), (335, 127856), (488, 87770), (524, 81740), (536, 79910), (610, 70216), (655, 65392), (670, 63928), (976, 43885), (1048, 40870), (1072, 39955), (1220, 35108), (1310, 32696), (1340, 31964), (2096, 20435), (2440, 17554), (2620, 16348), (2680, 15982), (4087, 10480), (4880, 8777), (5240, 8174), (5360, 7991)]